Made of nylon, it has the strength to withstand long hours of use. It reduces the burden during training and can be used with peace of mind. -------------------- *The images from the 5th one onwards are for reference. The actual items are all in the 1st to 4th images, so please take a good look at the photos of the equipment and design before purchasing. #yynn Please take a look at the product list! -------------------- Will be shipped in simple packaging. 56071200